<template>
  <transition name='move'>
  <div class="food" v-show='showFlag'>
    <div class="food-content">
      <div class="image-header">
        <img :src="food.image" :alt="food.name">
        <div class="back" @click='hide'>
          <i class="icon-arrow_lift"></i>
        </div>
      </div>
      <div class="content">
        <h1 class="title">{{food.name}}</h1>
        <div class="detail">
          <span class="sell-count">月售{{food.sellCount}}份</span><span class="rating">好评率{{food.rating}}</span>
        </div>
        <div class="price">
          <span class="now">￥{{food.price}}</span>
          <span v-show='food.oldPrice' class="old">￥{{food.oldPrice}}</span>
        </div>
        <div class="cartcontrol-wrapper">
          <cartcontrol :food='food'></cartcontrol>
        </div>
        <div class="buy" v-show='!food.count || food.count===0' @click.stop.prevent='addFirst'>加入购物车</div>
      </div>
      <div class="split-wrapper">
        <split></split>
      </div>
      <div class="info" v-show='food.info'>
        <h1 class="title">商品介绍</h1>
        <p class="text">{{food.info}}</p>
      </div>
      <div class="split-wrapper" v-show='food.info'>
        <split></split>
      </div>
      <div class="rating">
        <h1 class="title">商品评价</h1>
        <ratingselect :desc='desc' :ratings='food.ratings'></ratingselect>
        <div class="rating-wrapper">
          <ul v-show='food.ratings && food.ratings.length'>
            <li v-show='needShow(rating.rateType, rating.text)' v-for='rating in food.ratings' class='rating-item border-1px' :key='rating.rateTime'>
              <div class="user">
                <span class="name">{{rating.username}}</span>
                <img :src="rating.avatar" alt="" class="avatar" width="12" height='12'>
              </div>
              <div class="time">{{rating.rateTime | dateFormat}}</div>
              <p class="text">
                <span :class="{'icon-thumb_up':rating.rateType===0, 'icon-thumb_down':rating.rateType===1}"></span>{{rating.text}}
              </p>
            </li>
          </ul>
          <div class="no-rating" v-show='!food.ratings || !food.ratings.length'>本商品暂无评论</div>
        </div>
      </div>
    </div>
  </div>
  </transition>
</template>

<script type="text/ecmascript-6">
import Vue from 'vue'
import BScroll from 'better-scroll'
import cartcontrol from '../cartcontrol/cartcontrol'
import split from '../split/split'
import ratingselect from '../ratingselect/ratingselect'

  const POSITIVE = 0
  const NEGATIVE = 1
  const ALL = 2
  export default{
    props: ['food'],
    data() {
      return {
        showFlag: false,
        desc: {
          all: '全部',
          positive: '推荐',
          negative: '吐槽'
        }
      }
    },
    computed: {
      selectType() {
        return this.$store.state.selectType
      },
      onlyContent() {
        return this.$store.state.onlyContent
      }
    },
    methods: {
      show() {
        this.showFlag = true
        this.$store.commit('Initialization')
        this.$nextTick(() => {
          if (!this.scroll) {
            this.scroll = new BScroll('.food', {click: true})
          } else {
            this.scroll.refresh()
          }
        })
      },
      hide() {
        this.showFlag = false
      },
      addFirst(event) {
        if (!event._constructed) {
          return
        }
        Vue.set(this.food, 'count', 1)
        this.$store.commit('getPosition', event)
      },
      needShow(type, text) {
        if (this.onlyContent && !text) { // 选择只看有内容的，这个恰巧没内容
          return false
        }
        if (this.selectType === ALL) {
          return true
        } else {
          return type === this.selectType
        }
      }
    },
    components: {
      cartcontrol, split, ratingselect}
  }
</script>

<style lang='stylus' rel="stylesheet/stylus" scoped>
  @import "../../common/stylus/mixin.styl"
  .food{
    position: fixed
    left: 0
    top: 0
    bottom:48px
    z-index:30
    width:100%
    background:#fff
    &.move-enter,&.move-leave-to{
      transform: translate3d(100%,0,0)
    }
    &.move-enter-to,&.move-leave{
      transform: translate3d(0,0,0)
    }
    &.move-enter-active,&.move-leave-active{
      transition: all 1s ease
    }
    .image-header{
      position: relative
      widthL: 100%
      height: 0
      padding-top:100%
      img{
        position:absolute
        top:0
        left:0
        width:100%
        height:100%
      }
      .back{
        position: absolute
        top:10px
        left: 0
        .icon-arrow_lift{
          display: block
          padding: 10px
          font-size: 20px
          color: #fff
        }
      }
    }
    .content{
      padding: 18px
      position: relative
      .title{
        font-size: 14px
        font-weight:700
        color:rgb(7,17,27)
        line-height:14px
      }
      .detail{
        margin-top:8px
        font-size:04
        line-height:10px
        height:10px
        .sell-count,.rating{
          margin-right:12px
          font-size:10px
          color:rgb(7,17,27)
        }
        .sell-count{
          margin-right:12px
        }
      }
      .price{
        margin-top:18px
        line-height:24px
        .now{
          font-size:14px
          font-weight:700
          color:rgb(240,20,20)
        }
        .old{
          font-size:10px
          text-decoration:line-through
          color:rgb(147,153,159)
        }
      }
      .cartcontrol-wrapper{
        position:absolute
        right:12px
        bottom:12px
      }
      .buy{
        position: absolute
        right:18px
        bottom:18px
        z-index:10
        height:24px
        line-height: 24px
        padding:0 12px
        box-sizing:border-box
        border-radius:12px
        font-size:10px
        color:#fff
        background:rgb(0,160,220)
      }
    }
    .info{
      padding:18px
      .title{
        margin-bottom: 6px
        font-size:14px
        color:rgb(7, 17, 27)
        line-height: 24px
      }
      .text{
        padding:0 8px
        font-size:12px
        color:rgb(77, 85, 93)
        line-height: 24px
      }
    }
    .rating{
      padding-top: 18px
      .title{
        margin-left: 18px
        font-size:14px
        color:rgb(7, 17, 27)
        line-height: 24px
      }
      .rating-wrapper{
        margin: 0 18px
        .rating-item{
          position: relative
          padding: 16px 0
          border-1px(rgba(7,17,27,0.1))
          .user{
            position: absolute
            right: 0
            top:16px
            font-size: 0
            line-height: 12px
            .name{
              display: inline-block
              vertical-align: top
              margin-right:6px
              font-size: 10px
              coloc: rgb(147,153,159)
            }
            .avatar{
              border-radius:50%
            }
          }
          .time{
            margin-bottom: 6px
            line-height:12px
            font-size: 10px
            color:rgb(147,153,159)
          }
          .text{
            line-height:16px
            font-size: 12px
            color: rgb(7,17,27)
            .icon-thumb_up,.icon-thumb_down{
              margin-right: 4px
              line-height: 16px
              font-size:12px
              color:rgb(0,160,220)
            }
            .icon-thumb_down{
              color:rgb(147,153,159)
            }
          }
        }
        .no-rating{
          padding: 16px
          font-size: 12px
          color: rgb(147, 153, 159)
        }
      }
    }
  }
</style>
